<!DOCTYPE html>
<html lang="en">

<head>
  <meta charset="UTF-8" />
  <meta http-equiv="X-UA-Compatible" content="IE=edge" />
  <meta name="viewport" content="width=device-width, initial-scale=1.0" />
  <title>学生</title>
  <link rel="stylesheet" href="./bootstrap/bootstrap.min.css" />
  <link rel="stylesheet" href="./bootstrap/bootstrap-icons.css" />
  <link rel="stylesheet" href="./css/common.css" />
  <link rel="stylesheet" href="./css/student.css" />
</head>

<body class="application application-offset">
  <!-- 结构 -->
  <div class="container-fluid container-application">
    <div class="sidenav show" id="sidenav-main">
      <!-- Sidenav header -->
      <div class="sidenav-header d-flex align-items-center">
        <a class="navbar-brand" href="./index.html">
          <span class="logo">·ITCAST·</span>
        </a>
      </div>
      <!-- User mini profile -->
      <div class="sidenav-user d-flex flex-column align-items-center justify-content-between text-center">
        <!-- Avatar -->
        <div>
          <a href="#" class="avatar rounded-circle avatar-xl">
            <img alt="Image placeholder" src="https://yanxuan-item.nosdn.127.net/8b27deb1670c53e67c42ca3e1ed6fd12.jpg"
              class="" />
          </a>
          <div class="mt-5">
            <h5 class="mb-0 text-white">黑马前端</h5>
            <span class="d-block text-sm text-white opacity-8 mb-3">数据可视化</span>
            <a href="javascript:;" class="btn btn-sm btn-white btn-icon rounded-pill shadow hover-translate-y-n3">
              <span class="btn-inner--text">学前端来黑马</span>
            </a>
          </div>
        </div>
      </div>
      <!-- Application nav -->
      <div class="nav-application clearfix">
        <a href="./index.html" class="btn btn-square text-sm">
          <span class="btn-inner--icon d-block"><i class="bi bi-house bi-2x"></i></span>
          <span class="btn-inner--icon d-block pt-2">首页</span>
        </a>
        <a href="./student.html" class="btn btn-square text-sm active">
          <span class="btn-inner--icon d-block"><i class="bi bi-people bi-2x"></i></span>
          <span class="btn-inner--icon d-block pt-2">学生</span>
        </a>
        <a href="javascript:;" class="btn btn-square text-sm">
          <span class="btn-inner--icon d-block"><i class="bi bi-columns bi-2x"></i></span>
          <span class="btn-inner--icon d-block pt-2">排版</span>
        </a>
        <a href="javascript:;" class="btn btn-square text-sm">
          <span class="btn-inner--icon d-block"><i class="bi bi-files bi-2x"></i></span>
          <span class="btn-inner--icon d-block pt-2">资料</span>
        </a>
        <a href="javascript:;" class="btn btn-square text-sm">
          <span class="btn-inner--icon d-block"><i class="bi bi-receipt bi-2x"></i></span>
          <span class="btn-inner--icon d-block pt-2">就业</span>
        </a>
        <a href="javascript:;" class="btn btn-square text-sm">
          <span class="btn-inner--icon d-block"><i class="bi bi-gear bi-2x"></i></span>
          <span class="btn-inner--icon d-block pt-2">设置</span>
        </a>
      </div>
      <!-- Misc area -->
      <div class="card bg-gradient-warning">
        <div class="card-body">
          <h5 class="text-white">哈喽, 朋友!</h5>
          <p class="text-white mb-4">
            为什么不现在开始学习前端，创造一些令人惊叹的东西呢？
          </p>
          <a href="http://itcast.cn" class="btn btn-sm btn-block btn-white rounded-pill" target="_blank">Get started</a>
        </div>
      </div>
    </div>
    <div class="main-content position-relative">
      <nav class="navbar navbar-main navbar-expand-lg navbar-dark navbar-border" id="navbar-main">
        <div class="container-fluid">
          <!-- Navbar nav -->
          <div class="collapse navbar-collapse navbar-collapse-fade" id="navbar-main-collapse">
            <ul class="navbar-nav align-items-lg-center">
              <!-- Home  -->
              <li class="nav-item">
                <a class="nav-link pl-lg-0" href="./index.html"> 首页 </a>
              </li>
              <li class="nav-item">
                <a class="nav-link pl-lg-0" href="./index.html"> 传智教育 </a>
              </li>
              <li class="nav-item">
                <a class="nav-link pl-lg-0" href="./index.html">
                  黑马程序员
                </a>
              </li>
              <li class="nav-item">
                <a class="nav-link pl-lg-0" href="./index.html"> 文档 </a>
              </li>
            </ul>
            <!-- Right menu -->
            <ul class="navbar-nav ml-lg-auto align-items-center d-none d-lg-flex">
              <li class="nav-item dropdown dropdown-animate">
                <a class="nav-link pr-lg-0" href=".dropdown-menu" role="button" data-toggle="dropdown"
                  aria-haspopup="true" aria-expanded="false">
                  <div class="media media-pill align-items-center">
                    <span class="avatar rounded-circle">
                      <img alt="Image placeholder"
                        src="https://yanxuan-item.nosdn.127.net/8b27deb1670c53e67c42ca3e1ed6fd12.jpg" />
                    </span>
                    <div class="ml-2 d-none d-lg-block">
                      <span class="mb-0 text-sm font-weight-bold">Admin</span>
                    </div>
                  </div>
                </a>
              </li>
              <li class="nav-item">
                <a class="nav-link pl-lg-0" id="logout" href="javascript:;">
                  退出
                </a>
              </li>
            </ul>
          </div>
        </div>
      </nav>
      <div class="page-content">
        <div class="page-title mb-3">
          <div class="row justify-content-between align-items-center">
            <div class="col-md-6 mb-3 mb-md-0">
              <h5 class="h3 font-weight-400 mb-0 text-white">Students</h5>
              <span class="text-sm text-white opacity-8">一共有 <b class="total">0</b> 位学员</span>
            </div>
            <div class="col-md-6 d-flex align-items-center justify-content-between justify-content-md-end">
              <a id="openModal" href="javascript:;" class="btn btn-sm btn-white btn-icon-only rounded-circle ml-4">
                <span class="btn-inner--icon"><i class="bi bi-plus bi-2x"></i></span>
              </a>
            </div>
          </div>
        </div>
        <div class="row">
          <div class="col">
            <div class="card card-fluid">
              <div class="table-responsive" style="min-height: 1000px">
                <table class="table align-items-center">
                  <thead>
                    <tr>
                      <th>姓名</th>
                      <th>年龄</th>
                      <th>性别</th>
                      <th>组号</th>
                      <th>期望薪资</th>
                      <th>就业薪资</th>
                      <th>籍贯</th>
                      <th>操作</th>
                    </tr>
                  </thead>
                  <tbody class="list">
                    <!-- <tr>
                      <td>张杰</td>
                      <td>20</td>
                      <td>男</td>
                      <td>第2组</td>
                      <td>10000</td>
                      <td>13000</td>
                      <td>北京北京市东城区</td>
                      <td>
                        <a href="javascript:;" class="text-success mr-3"><i class="bi bi-pen"></i></a>
                        <a href="javascript:;" class="text-danger"><i class="bi bi-trash"></i></a>
                      </td>
                    </tr> -->
                  </tbody>
                </table>
              </div>
            </div>
          </div>
        </div>
        <!-- footer -->
        <div class="footer pt-5 pb-4 footer-light" id="footer-main">
          <div class="row text-center text-sm-left align-items-sm-center">
            <div class="col-sm-6">
              <p class="text-sm mb-0">
                © 2022
                <a href="https://itcast.cn" class="h6 text-sm" target="_blank">前端学科</a>. All rights reserved.
              </p>
            </div>
            <div class="col-sm-6 mb-md-0">
              <ul class="nav justify-content-center justify-content-md-end">
                <li class="nav-item">
                  <a class="nav-link" href="#">Support</a>
                </li>
                <li class="nav-item">
                  <a class="nav-link" href="#">Terms</a>
                </li>
                <li class="nav-item">
                  <a class="nav-link pr-0" href="#">Privacy</a>
                </li>
              </ul>
            </div>
          </div>
        </div>
      </div>
    </div>
  </div>
  <!-- add Modal 弹框 新增 / 编辑 -->
  <div class="modal fade" id="modal">
    <div class="modal-dialog modal-lg">
      <div class="modal-content">
        <div class="modal-header">
          <h5 class="modal-title">添加学员</h5>
          <button type="button" class="btn-close" data-bs-dismiss="modal" aria-label="Close"></button>
        </div>
        <div class="modal-body">
          <form id="form" class="g-3 row" autocomplete="off" novalidate>
            <div class="col-sm-6">
              <div class="form-group">
                <label class="input-group-label">姓名：</label>
                <input type="text" name="name" class="form-control" placeholder="请输入姓名" />
              </div>
            </div>
            <div class="col-sm-6">
              <div class="form-group">
                <label class="input-group-label">性别：</label>
                <div class="input">
                  <div class="form-check d-inline-block">
                    <input value="0" checked id="cb01" class="form-check-input" type="radio" name="gender" />
                    <label for="cb01" class="form-check-label">男</label>
                  </div>
                  <div class="form-check d-inline-block">
                    <input value="1" id="cb02" class="form-check-input" type="radio" name="gender" />
                    <label for="cb02" class="form-check-label">女</label>
                  </div>
                </div>
              </div>
            </div>
            <div class="col-sm-6">
              <div class="form-group">
                <label class="input-group-label">年龄：</label>
                <input type="text" name="age" class="form-control" placeholder="请输入年龄" />
              </div>
            </div>
            <div class="col-sm-6">
              <div class="form-group">
                <label class="input-group-label">组号：</label>
                <input type="text" name="group" class="form-control" placeholder="请输入1-8组号" />
              </div>
            </div>
            <div class="col-sm-6">
              <div class="form-group">
                <label class="input-group-label">期望薪资：</label>
                <input type="text" name="hope_salary" class="form-control" placeholder="请输入期望薪资" />
              </div>
            </div>
            <div class="col-sm-6">
              <div class="form-group">
                <label class="input-group-label">就业薪资：</label>
                <input type="text" name="salary" class="form-control" placeholder="请输入就业薪资" />
              </div>
            </div>
            <div class="col-sm-12">
              <div class="form-group">
                <label class="input-group-label">籍贯：</label>
                <div class="input pl-0">
                  <select class="form-select custom-select" name="province">
                    <option value="">--省份--</option>
                  </select>
                  <select class="form-select custom-select" name="city">
                    <option value="">--城市--</option>
                  </select>
                  <select class="form-select custom-select" name="area">
                    <option value="">--地区--</option>
                  </select>
                </div>
              </div>
            </div>
          </form>
        </div>
        <div class="modal-footer">
          <button type="button" class="btn btn-secondary" data-bs-dismiss="modal">
            取消
          </button>
          <button type="button" class="btn btn-blue" id="submit">确认</button>
        </div>
      </div>
    </div>
  </div>

  <script src="./bootstrap/bootstrap.min.js"></script>
  <script src="./lib/axios.js"></script>
  <script src="./lib/form-serialize.js"></script>
  <script src="./js/common.js"></script>
  <script>
    // ------------- 1. 获取学员信息 -------------
    async function render() {
      const res = await axios({ url: '/students' })
      console.log('res:', res)
      const html = res.data
        .map(v => {
          return `<tr>
                    <td>${v.name}</td>
                    <td>${v.age}</td>
                    <td>${v.gender === 0 ? '男' : '女'}</td>
                    <td>第${v.group}组</td>
                    <td>${v.hope_salary}</td>
                    <td>${v.salary}</td>
                    <td>${v.province + v.city + v.area}</td>
                    <td>
                      <a href="javascript:;" class="text-success mr-3"><i data-id="${v.id
            }" class="bi bi-pen"></i></a>

                      <a href="javascript:;" class="text-danger"><i data-id="${v.id
            }" class="bi bi-trash"></i></a>
                    </td>
                  </tr> `
        })
        .join('')
      // table渲染
      document.querySelector('.list').innerHTML = html
      // 数值渲染
      document.querySelector('.total').innerHTML = res.data.length
    }
    render()

    // ------------- 2.事件委托-删除-------------
    document
      .querySelector('tbody')
      .addEventListener('click', async function (e) {
        // contains判断是否有某个类型 有true 没有false
        if (e.target.classList.contains('bi-trash')) {
          const res = await axios({
            // 获取 存在删除按钮上的id 并提交到服务器
            url: `/students/${e.target.dataset.id}`,
            // 不分大小写
            method: 'delete'
          })
          // 能正常调用接口 直接重新获取数据即可
          render()
        }
      })


    // ------------- 3.弹框 -------------
    // 3.1获取弹框
    const modal = new bootstrap.Modal(document.querySelector('#modal'))
    // 3.2点击新增弹框
    document
      .querySelector('#openModal')
      .addEventListener('click', function () {
        // 修改标题
        document.querySelector('.modal-title').innerHTML = '添加学员'
        // 把add存到确认按钮上
        document.querySelector('#submit').dataset.id = 'add'
        // 弹框
        modal.show()
      })
    // 3.3点击编辑弹框 事件委托
    document
      .querySelector('.list')
      .addEventListener('click', async function (e) {
        // 点击编辑
        if (e.target.classList.contains('bi-pen')) {
          // 修改标题
          document.querySelector('.modal-title').innerHTML = '修改学员'
          // 具体的id存到确认按钮上 在编辑按钮上保存id
          document.querySelector('#submit').dataset.id = e.target.dataset.id

          // 获取学生信息
          const res = await axios({
            url: `/students/${e.target.dataset.id}`
          })
          for (const key in res.data) {
            // 性别特殊设置
            if (key === 'gender') {
              // 性别 设置checked属性
              const genderChks = document.querySelectorAll('[name=gender]')
              genderChks[res.data[key]].checked = true
            } else {
              // 循环挨个的赋值 不是性别设置value即可
              const ipt = document.querySelector(`[name=${key}]`)
              // 考虑 ipt不存在的情况
              ipt && (ipt.value = res.data[key])
            }
          }
          // 省市区 需要重新获取 并渲染 调用方法 传入具体的值 会选中对应的option
          // 要记得加await
          await renderProvince(res.data.province)
          await renderCity(res.data.city)
          await renderArea(res.data.area)
          // 弹框
          modal.show()
        }
      })

    // 3.4 点击弹框中的确认按钮，根据不同的标记，执行不同的逻辑
    document
      .querySelector('#submit')
      .addEventListener('click', async function () {
        // 保存的是add 执行新增
        // 获取数据+转换格式
        const data = serialize(document.querySelector('#form'), {
          hash: true
        })
          ;['age', 'gender', 'salary', 'hope_salary', 'group'].forEach(k => {
            data[k] = +data[k]
          })
        if (this.dataset.id === 'add') {
          // 新增
          const res = await axios({
            url: '/students',
            method: 'post',
            data
          })
        } else {
          // 执行编辑
          // 提交到服务器 - 修改
          const res = await axios({
            url: `/students/${this.dataset.id}`,
            method: 'put',
            data
          })
        }
        // 关闭弹框
        modal.hide()
        // 重置表单
        document.querySelector('#form').reset()
        // 重新获取省市区
        await renderSelect()
        // 重新获取数据
        render()
      })


    // ------------- 4. 省市区数据获取 -------------
    // 1. 获取省市区的select标签
    const proSel = document.querySelector('[name=province]')
    const citySel = document.querySelector('[name=city]')
    const areaSel = document.querySelector('[name=area]')
    // 获取省数据
    async function renderProvince(province) {
      // 省
      const res = await axios({
        url: '/api/province'
      })
      // 生成的option渲染到 省select内部
      proSel.innerHTML = res.data
        .map(v => `<option value="${v}">${v}</option>`)
        .join('')
      // 如果传入了参数 就设置selct的value
      province && (proSel.value = province)
    }
    // 获取市数据
    async function renderCity(city) {
      // 市
      const res = await axios({
        url: '/api/city',
        params: {
          pname: proSel.value
        }
      })
      // 生成的option渲染到 市select内部
      citySel.innerHTML = res.data
        .map(v => `<option value="${v}">${v}</option>`)
        .join('')
      // 如果传入了参数 就设置selct的value
      city && (citySel.value = city)
    }
    // 获取区数据
    async function renderArea(area) {
      // 区
      // console.log('proSel.value:', proSel.value)
      const res = await axios({
        url: '/api/area',
        params: {
          pname: proSel.value, // 省select标签的value
          cname: citySel.value
        }
      })
      // 生成的option渲染到 区select内部
      areaSel.innerHTML = res.data
        .map(v => `<option value="${v}">${v}</option>`)
        .join('')
      // 如果传入了参数 就设置selct的value
      area && (areaSel.value = area)
    }
    // 省市区
    async function renderSelect() {
      await renderProvince()
      await renderCity()
      await renderArea()
    }
    // 默认获取一次数据
    renderSelect()


    // ------------- 5.省市区联动 -------------
    // 省联动
    proSel.addEventListener('change', async function () {
      // console.log(this.value)
      // 重新获取市
      await renderCity()
      // 重新获取区 需要等待 市获取到之后再调用
      await renderArea()
    })
    // 市联动
    citySel.addEventListener('change', async function () {
      // 重新获取区
      await renderArea()
    })
  </script>
</body>

</html>